Personal attacks are against site rules on HN. You are clearly across the line here. Moderators ban people for repeated violations, so if you want to continue here, you should stop posting abuse.
I won't be responding, and they seem to think they're quite the expert in this sort of thing.
The above quote is ripped straight out of wikipedia's definition of imperative programming showing that what I said wasn't a misunderstanding but an official definition.
The definition of imperative programming must include mutation otherwise it's isomorphic to functional programming. Because functional programming is simply statements without mutation.
No one is above it.